B04B 11/00
Feeding, charging, or discharging bowls
Official title: Feeding, charging, or discharging bowls (B04B1/00, B04B3/00, B04B7/04 take precedence)
B04B11/00 (Feeding, charging, or discharging bowls) appears on 1,020 US grants and 898 published applications in this corpus.
Search patents in B04B- Granted patents
- 1,020
- Published applications
- 898
- Assignees
- 450
- Inventors
- 1,589
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 14 | 0 |
| 1978 | 10 | 0 |
| 1979 | 12 | 0 |
| 1980 | 16 | 0 |
| 1981 | 13 | 0 |
| 1982 | 15 | 0 |
| 1983 | 14 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 16 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 15 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 15 | 0 |
| 2000 | 16 | 0 |
| 2001 | 19 | 2 |
| 2002 | 19 | 14 |
| 2003 | 17 | 19 |
| 2004 | 22 | 37 |
| 2005 | 18 | 22 |
| 2006 | 31 | 17 |
| 2007 | 14 | 19 |
| 2008 | 10 | 19 |
| 2009 | 10 | 21 |
| 2010 | 10 | 27 |
| 2011 | 22 | 19 |
| 2012 | 14 | 34 |
| 2013 | 21 | 46 |
| 2014 | 23 | 48 |
| 2015 | 41 | 57 |
| 2016 | 42 | 46 |
| 2017 | 22 | 46 |
| 2018 | 46 | 44 |
| 2019 | 52 | 53 |
| 2020 | 46 | 52 |
| 2021 | 47 | 39 |
| 2022 | 34 | 60 |
| 2023 | 33 | 51 |
| 2024 | 40 | 48 |
| 2025 | 41 | 33 |
| 2026 | 23 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Separator insert and separator22 Sep 2026US 12,741,288 B2GEA Westfalia Separator Group GmbH
- Centrifugal piston and centrifugal separation device having same8 Sep 2026US 12,728,427 B2
- Continuous flow centrifugation with controlled positive pressure cascade for avoiding cross-contamination25 Aug 2026US 12,715,008 B2Thermo Electron LED GmbH
- Centrifugal separators and separation methods providing intermediate material ejection control28 Jul 2026US 12,691,457 B2Empirical Innovations, Inc.
- Centrifugal separator for separating a liquid mixture with positive displacement pumps respectively downstream of outlets30 Jun 2026US 12,667,849 B2Alfa Laval Corporate AB
- Centrifuge syringe1 Oct 2026US 2026/0295575 A1Hubertus Goller Gesellschaft M.B.H.
- A centrifugal separator1 Oct 2026US 2026/0295600 A1Alfa Laval Corporate AB
- Jig for cap replacement24 Sep 2026US 2026/0284676 A1FUJIFILM Corporation
- Systems and methods for fluid separation interface control using color-based optical measurements10 Sep 2026US 2026/0264094 A1Fenwal, Inc.
- A separation system for separating a liquid mixture3 Sep 2026US 2026/0257230 A1Alfa Laval Corporate AB
Most cited
By later US patents
- Automated sample processing system including automatic centrifuge device289US 6,060,022 ABeckman Coulter, Inc. · 2000
- Blood component separator disk124US 7,077,273 B2Harvest Technologies Corporation · 2006
- Automated sample processing system107US 7,141,213 B1Beckman Coulter, Inc. · 2006
- Method and apparatus for controlling and monitoring continuous feed centrifuge98US 5,948,271 ABaker Hughes Incorporated · 1999
- Centrifuge processor and liquid level control system94US 4,846,780 AExxon Production Research Company · 1989